facilitator
Concise Oxford English Dictionary © 2008 Oxford University Press:
facilitate /fəˈsɪlɪteɪt/
▶verb make easy or easier.
– derivatives
facilitation noun,
facilitative adjective,
facilitator noun,
facilitatory adjective.
facilitation noun,
facilitative adjective,
facilitator noun,
facilitatory adjective.
– origin C17: from Fr. faciliter.
'facilitator' also found in these Oxford entries:

